Subversion Repositories minsoc

`include "or1200_defines.v"

module or1200_top(

        // System

        clk_i, rst_i, pic_ints_i, clmode_i,

        // Instruction WISHBONE INTERFACE

        iwb_clk_i, iwb_rst_i, iwb_ack_i, iwb_err_i, iwb_rty_i, iwb_dat_i,

        iwb_cyc_o, iwb_adr_o, iwb_stb_o, iwb_we_o, iwb_sel_o, iwb_dat_o,

`ifdef OR1200_WB_CAB

        iwb_cab_o,

`endif

`ifdef OR1200_WB_B3

        iwb_cti_o, iwb_bte_o,

`endif

        // Data WISHBONE INTERFACE

        dwb_clk_i, dwb_rst_i, dwb_ack_i, dwb_err_i, dwb_rty_i, dwb_dat_i,

        dwb_cyc_o, dwb_adr_o, dwb_stb_o, dwb_we_o, dwb_sel_o, dwb_dat_o,

`ifdef OR1200_WB_CAB

        dwb_cab_o,

`endif

`ifdef OR1200_WB_B3

        dwb_cti_o, dwb_bte_o,

`endif

        // External Debug Interface

        dbg_stall_i, dbg_ewt_i, dbg_lss_o, dbg_is_o, dbg_wp_o, dbg_bp_o,

        dbg_stb_i, dbg_we_i, dbg_adr_i, dbg_dat_i, dbg_dat_o, dbg_ack_o,

`ifdef OR1200_BIST

        // RAM BIST

        mbist_si_i, mbist_so_o, mbist_ctrl_i,

`endif

        // Power Management

        pm_cpustall_i,

        pm_clksd_o, pm_dc_gate_o, pm_ic_gate_o, pm_dmmu_gate_o,

        pm_immu_gate_o, pm_tt_gate_o, pm_cpu_gate_o, pm_wakeup_o, pm_lvolt_o

,sig_tick

);

parameter dw = `OR1200_OPERAND_WIDTH;

parameter aw = `OR1200_OPERAND_WIDTH;

parameter ppic_ints = `OR1200_PIC_INTS;

//

// I/O

//

//

// System

//

input                   clk_i;

input                   rst_i;

input   [1:0]            clmode_i;       // 00 WB=RISC, 01 WB=RISC/2, 10 N/A, 11 WB=RISC/4

input   [ppic_ints-1:0]  pic_ints_i;

//

// Instruction WISHBONE interface

//

input                   iwb_clk_i;      // clock input

input                   iwb_rst_i;      // reset input

input                   iwb_ack_i;      // normal termination

input                   iwb_err_i;      // termination w/ error

input                   iwb_rty_i;      // termination w/ retry

input   [dw-1:0] iwb_dat_i;      // input data bus

output                  iwb_cyc_o;      // cycle valid output

output  [aw-1:0] iwb_adr_o;      // address bus outputs

output                  iwb_stb_o;      // strobe output

output                  iwb_we_o;       // indicates write transfer

output  [3:0]            iwb_sel_o;      // byte select outputs

output  [dw-1:0] iwb_dat_o;      // output data bus

`ifdef OR1200_WB_CAB

output                  iwb_cab_o;      // indicates consecutive address burst

`endif

`ifdef OR1200_WB_B3

output  [2:0]            iwb_cti_o;      // cycle type identifier

output  [1:0]            iwb_bte_o;      // burst type extension

`endif

//

// Data WISHBONE interface

//

input                   dwb_clk_i;      // clock input

input                   dwb_rst_i;      // reset input

input                   dwb_ack_i;      // normal termination

input                   dwb_err_i;      // termination w/ error

input                   dwb_rty_i;      // termination w/ retry

input   [dw-1:0] dwb_dat_i;      // input data bus

output                  dwb_cyc_o;      // cycle valid output

output  [aw-1:0] dwb_adr_o;      // address bus outputs

output                  dwb_stb_o;      // strobe output

output                  dwb_we_o;       // indicates write transfer

output  [3:0]            dwb_sel_o;      // byte select outputs

output  [dw-1:0] dwb_dat_o;      // output data bus

`ifdef OR1200_WB_CAB

output                  dwb_cab_o;      // indicates consecutive address burst

`endif

`ifdef OR1200_WB_B3

output  [2:0]            dwb_cti_o;      // cycle type identifier

output  [1:0]            dwb_bte_o;      // burst type extension

`endif

//

// External Debug Interface

//

input                   dbg_stall_i;    // External Stall Input

input                   dbg_ewt_i;      // External Watchpoint Trigger Input

output  [3:0]            dbg_lss_o;      // External Load/Store Unit Status

output  [1:0]            dbg_is_o;       // External Insn Fetch Status

output  [10:0]           dbg_wp_o;       // Watchpoints Outputs

output                  dbg_bp_o;       // Breakpoint Output

input                   dbg_stb_i;      // External Address/Data Strobe

input                   dbg_we_i;       // External Write Enable

input   [aw-1:0] dbg_adr_i;      // External Address Input

input   [dw-1:0] dbg_dat_i;      // External Data Input

output  [dw-1:0] dbg_dat_o;      // External Data Output

output                  dbg_ack_o;      // External Data Acknowledge (not WB compatible)

`ifdef OR1200_BIST

//

// RAM BIST

//

input mbist_si_i;

input [`OR1200_MBIST_CTRL_WIDTH - 1:0] mbist_ctrl_i;

output mbist_so_o;

`endif

//

// Power Management

//

input                   pm_cpustall_i;

output  [3:0]            pm_clksd_o;

output                  pm_dc_gate_o;

output                  pm_ic_gate_o;

output                  pm_dmmu_gate_o;

output                  pm_immu_gate_o;

output                  pm_tt_gate_o;

output                  pm_cpu_gate_o;

output                  pm_wakeup_o;

output                  pm_lvolt_o;

//

// CPU and TT

//

output          sig_tick; // jb

endmodule